Cisco ASA Software Release 9.7.1及之后版本和Cisco FTD Software Release 6.2.1及之后版本中的Security Assertion Markup Language (SAML) 2.0 Single Sign-On (SSO) for Clientless SSL VPN (WebVPN)和AnyConnect Remote Access VPN的实现存在信任管理问题漏洞。该漏洞源于网络系统或产品中缺乏有效的信任管理机制。攻击者可利用默认密码或者硬编码密码、硬编码证书等攻击受影响组件。以下产品及版本受到影响：Cisco 3000 Series Industrial Security Appliances；Adaptive Security Appliance (ASA) 5500-X Series Firewalls；ASA Services Module for Cisco Catalyst 6500 Series Switches和Cisco 7600 Series Routers；Adaptive Security Virtual Appliance (ASAv)；Firepower 2100 Series；Firepower 4100 Series；Firepower 9300 Security Appliances；Firepower Threat Defense Virtual。